# Pre-RFC new trait Set, impl on struct fields

**URL:** <https://internals.rust-lang.org/t/pre-rfc-new-trait-set-impl-on-struct-fields/7383>\
**Category:** language design\
**Created:** [April 24, 2018, 2:10pm UTC](https://internals.rust-lang.org/t/pre-rfc-new-trait-set-impl-on-struct-fields/7383 "2018-04-24T14:10:57Z")\
**Posts on this page:** 1\
**Page:** 3

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**Author:** ![system](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/system/32/14092_2.png) [@system](https://internals.rust-lang.org/u/system)\
**Post date:** [March 25, 2019, 8:30am UTC](https://internals.rust-lang.org/t/pre-rfc-new-trait-set-impl-on-struct-fields/7383/41 "2019-03-25T08:30:07Z")

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